Dahua PFS4307-4ET-96, Руководство по работе в сети, Страница: 30 / 43

23
Parameter Description
Reserved power
Unusable PoE power. Reserved power = total power –
overload power.
Port status
and control
Level
Displays the power supply level of the terminal devices.
The power supply level ranges from 0 through 8, and the
Hi-PoE power supply standard level is displayed as 5+.
Consumed power
Displays the current PoE power consumed by the
corresponding single port.
PoE management
Select from Enable and Disable .
●
When selecting the
Disable
, the system does not
supply power to the PD or reserve power for the PD.
●
When selecting the
Enable
, the PoE port will not
result in PoE power overload. Otherwise, you are not
allowed to enable PoE for the PoE port.
●
By default, PoE is disabled on a PoE port.
●
PSE power overload: When the total amount of the
power consumption of all ports exceeds the
maximum power of PSE, the system considers the
PSE is overloaded.
5.2 Configuring Long Distance PoE
After you enable long distance PoE, the maximum transmission distance will change from 100 m to
250 m, and the transmission speed will be reduced from 100 Mbps to 10 Mbps.
Step 1
Select PoE Management > Long Distance PoE .
Step 2 Click of the corresponding port to enable long distance PoE.
Step 3 Click OK .
5.3 Viewing PoE Event Statistics
Select
PoE Management
>
PoE Event Statistics
to view PoE event statistics.
Table 5-2 Description of PoE event statistics
Parameter Description
Overload
Single port boots up when the power current has exceeded the
current threshold.
Short circuited
When the powering chip sends power to the port, it becomes
short-circuit.
DC disconnect Single port power is off.
Short circuit during
startup
The power is short-circuit when the powering chip sends out power.